How to Manage System Packages with yum on RHEL 7 Package management is one of the most fundamental skills for a RHEL 7 system administrator. The Yellowdog Updater Modified (yum) is the default package manager on RHEL 7, and it handles everything from installing and removing software to managing repositories, grouping related packages, and maintaining […]
🟡 Medium ⏱ 5–30 min Last verified: 19 October 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 19 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-0079 Related CVEs: CVE-2023-21538 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202004-10 Related CVEs: CVE-2020-11647 CVE-2018-19628 CVE-2018-19627 CVE-2018-19626 CVE-2018-19625 CVE-2018-19624 CVE-2018-19623 CVE-2018-19622 +12 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.2.2-1. Fixed in: 3.2.3-1. Group: AVG-1129. Table of […]
🟢 Low ⏱ 5–15 min Last verified: 19 October 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4501-1 Related CVEs: CVE-2020-15890 Upstream summary: It was discovered that an out-of-bounds read existed in LuaJIT. An attacker could use this to cause a denial of service (application crash) or […]
Jupyter Notebook es una aplicación web de código abierto que le permite crear y compartir código interactivo, visualizaciones y mucho más. Esta herramienta puede utilizarse con varios lenguajes de programación, como Python, Julia, R, Haskell y Ruby. A…
In Linux-Systemen werden Umgebungs- und Shell-Variablen verwendet, um Betriebsbedingungen für die Shell zu bestimmen. Sie können an untergeordnete Prozesse übergeben und verwendet werden, um Optionen festzulegen und bestimmte Informationen für Prozesse verfügbar zu machen, die in der Sitzung gestartet werden. In diesem Leitfaden werden wir über das Lesen, Ändern, Erstellen und Zerstören von Umgebungs- und Shell-Variablen sprechen.
Alerta is a web application used to consolidate and de-duplicate alerts from multiple monitoring systems and visualize them on a single screen. Alerta can integrate with many well-known monitoring tools like Nagios, Zabbix, Sensu, InfluxData Kapacitor, and…
🟡 Medium ⏱ 10–30 min Last verified: 19 October 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5681-1 Related CVEs: CVE-2018-18718 CVE-2019-20326 CVE-2020-36427 Upstream summary: It was discovered that gThumb did not properly managed memory under certain circumstances. An attacker could possibly use this issue to cause […]
Go é uma linguagem de programação que nasceu da frustração no Google. Os desenvolvedores precisavam escolher continuamente uma linguagem que fosse executada com eficiência, mas demoravam muito tempo para compilar ou escolher uma linguagem fácil de…
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